Helicopter electromagnetic and magnetic survey data and maps, Seco Creek area, Medina and Uvalde Counties, Texas

Online link http://pubs.usgs.gov/of/2003/ofr-03-226/
Description Airborne geophysical data and a summary of the hydrologic application.
Originators Smith, Bruce D.; Smith, David V.; Hill, Patricia L.; and Labson, Victor F.
Publication U.S. Geological Survey Open-File Report 03-226

States or counties

Geologic map with flight lines shown (dimly; the image is greatly reduced in size)
Geologic map with flight lines shown (dimly; the image is greatly reduced in size)